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The United States Environmental Protection Agency defines PFAS in the Drinking Water Contaminant Candidate List 5 as substances that contain "at least one of the following three structures: R−CF 2 −CF(R')R", where both the −CF 2 − and −CF− moieties are saturated carbons, and none of the R groups can be hydrogen; R−CF 2 −O−CF 2 ...
The pollutants belong to a class of compounds known as per- and polyfluoroalkyl substances, or PFAS. The so-called “forever chemicals” − a name attributed to PFAS' centuries-long half-life ...
Remediation of per- and polyfluoroalkyl substances refers to the destruction or removal of per- and polyfluoroalkyl substances (PFASs) from the environment. PFASs are a group of synthetic organofluorine compounds, used in diverse products such as non-stick cookware and firefighting foams, that have attracted great concern as persistent organic pollutants.
Called “forever chemicals” because of how long they remain in the human body and environment, perfluoroalkyl and polyfluoroalkyl substances, or PFAS, are a growing health concern.
PFAS has been found in almost all human blood samples tested, one study found 97% of Americans has PFAS in their blood. [27] PFAS chemicals have been linked to high cholesterol, [ 28 ] altered kidney and thyroid function, [ 29 ] ulcerative colitis, [ 30 ] immunosuppression, [ 31 ] decreased effectiveness of vaccines, [ 32 ] low birth weight ...
The so-called “forever chemicals” − a name attributed to PFAS' centuries-long half-life − are ubiquitous: In addition to drinking water, they are found in everything from non-stick ...
Perfluorohexanesulfonic acid (PFHxS) (conjugate base perfluorohexanesulfonate) is a synthetic chemical compound.It is one of many compounds collectively known as per- and polyfluoroalkyl substances (PFASs).
The US Food and Drug Administration has found food packaging materials like fast-food wrappers, microwave popcorn bags and take-out pizza boxes are a major source of dietary exposure to PFAS.
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